How Do I Prevent Alopecia Areata?

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Alopecia areata is a condition that causes round patches of hair loss, and can lead to total hair loss.

Alternative Names

Alopecia totalis; Alopecia universalis

Causes, incidence, and risk factors

The cause of alopecia areata is unknown. About a fifth of people with this condition have a family history of alopecia.

Alopecia areata is thought to be an autoimmune condition. This occurs when the immune system mistakenly attacks and destroys healthy body tissue.

Alopecia areata is seen in men,...

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